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Message-ID: <CAD=FV=V5c0bCOCBvdnqVJ6Sa1XKeg+d7kTEL2Okh4GAL66MGiw@mail.gmail.com>
Date: Wed, 17 Aug 2022 07:25:54 -0700
From: Doug Anderson <dianders@...omium.org>
To: Yongqin Liu <yongqin.liu@...aro.org>
Cc: Rob Clark <robdclark@...il.com>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Mark Brown <broonie@...nel.org>,
dri-devel <dri-devel@...ts.freedesktop.org>,
linux-arm-msm <linux-arm-msm@...r.kernel.org>,
freedreno <freedreno@...ts.freedesktop.org>,
Liam Girdwood <lgirdwood@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
Sumit Semwal <sumit.semwal@...aro.org>,
John Stultz <jstultz@...gle.com>
Subject: Re: [PATCH v2 4/7] regulator: core: Allow specifying an initial load
w/ the bulk API
Hi,
On Tue, Aug 16, 2022 at 5:58 AM Yongqin Liu <yongqin.liu@...aro.org> wrote:
>
> HI, Douglas
>
> With this change, I get one kernel panic with my hikey960
> android-mainline based Android build,
> if it's reverted, then the build could boot to the home screen successfully.
> From the log information I shared here, not sure if you have any idea
> what I could do to have the hikey960
> build work with this change,
>
> The kernel panic is something like this, for details, please check the
> log here: http://ix.io/47Lq
>
> [ 10.738042][ T193] adv7511 1-0039: error 0000000000000000: Failed
> to get supply 'v1p2'
> [ 10.748457][ T194] apexd: Found pre-installed APEX
> /system/apex/com.android.os.statsd.apex
> [ 10.752908][ T67] Unable to handle kernel read from unreadable
> memory at virtual address 000000000000004c
> [ 10.753116][ T8] Unable to handle kernel read from unreadable
> memory at virtual address 0000000000000078
> [ 10.753130][ T8] Mem abort info:
> [ 10.753135][ T8] ESR = 0x0000000096000005
> [ 10.753142][ T8] EC = 0x25: DABT (current EL), IL = 32 bits
> [ 10.753152][ T8] SET = 0, FnV = 0
> [ 10.753159][ T8] EA = 0, S1PTW = 0
> [ 10.753166][ T8] FSC = 0x05: level 1 translation fault
> [ 10.753174][ T8] Data abort info:
> [ 10.753179][ T8] ISV = 0, ISS = 0x00000005
> [ 10.753184][ T8] CM = 0, WnR = 0
> [ 10.753192][ T8] user pgtable: 4k pages, 39-bit VAs, pgdp=0000000003098000
> [ 10.753204][ T8] [0000000000000078] pgd=0000000000000000,
> p4d=0000000000000000, pud=0000000000000000
> [ 10.753232][ T8] Internal error: Oops: 96000005 [#1] PREEMPT SMP
> [ 10.753245][ T8] Modules linked in: adv7511(E+) tcpci_rt1711h(E)
> hci_uart(E) btqca(E) btbcm(E) cpufreq_dt(E) hi3660_i2s(E)
> hisi_hikey_usb(E) hi6421_pmic_core(E) syscon_reboot_mode(E)
> reboot_mode(E) hi3660_mailbox(E) dw_mmc_k3(E) hisi_thermal(E)
> dw_mmc_pltfm(E) dw_mmc(E) kirin_drm(E) snd_soc_simple_card(E)
> snd_soc_simple_card_utils(E) spi_pl022(E) kirin_dsi(E)
> phy_hi3660_usb3(E) i2c_designware_platform(E) drm_cma_helper(E)
> i2c_designware_core(E) mali_kbase(OE) k3dma(E) cma_heap(E)
> system_heap(E)
> [ 10.753436][ T8] CPU: 2 PID: 8 Comm: kworker/u16:0 Tainted: G
> OE 5.19.0-mainline-03487-g86d047950300-dirty #1
> [ 10.753454][ T8] Hardware name: HiKey960 (DT)
> [ 10.753463][ T8] Workqueue: events_unbound async_run_entry_fn
> [ 10.753497][ T8] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT
> -SSBS BTYPE=--)
> [ 10.753516][ T8] pc : regulator_bulk_enable_async+0x3c/0x98
> [ 10.753540][ T8] lr : async_run_entry_fn+0x30/0xf8
> [ 10.753559][ T8] sp : ffffffc009ed3d20
> [ 10.753567][ T8] x29: ffffffc009ed3d40 x28: 0000000000000402
> x27: ffffff801ad99828
> [ 10.753592][ T8] x26: ffffff803217b010 x25: 0000000000000002
> x24: ffffff8003385da8
> [ 10.753617][ T8] x23: ffffff8003385da0 x22: ffffff801ad94805
> x21: ffffff8003385da0
> [ 10.753642][ T8] x20: 0000000000000000 x19: ffffff8003143d20
> x18: ffffffc008075028
> [ 10.753667][ T8] x17: 000000040044ffff x16: 0000000000000001
> x15: 0000000000000010
> [ 10.753691][ T8] x14: 0000000000000000 x13: 0000000000000f58
> x12: 0000000082355555
> [ 10.753715][ T8] x11: 00006acfbfa2f400 x10: 0000000000000016 x9
> : 00ffffffffffffff
> [ 10.753740][ T8] x8 : da9ecda1b63b0500 x7 : 0000000000008080 x6
> : 0000000000000000
> [ 10.753764][ T8] x5 : 0000000000000001 x4 : 0000646e756f626e x3
> : ffffff801ad99828
> [ 10.753788][ T8] x2 : ffffff8003385da8 x1 : ffffffc009ed3d20 x0
> : ffffff8003143d20
> [ 10.753812][ T8] Call trace:
> [ 10.753818][ T8] regulator_bulk_enable_async+0x3c/0x98
> [ 10.753839][ T8] async_run_entry_fn+0x30/0xf8
> [ 10.753859][ T8] process_one_work+0x1d0/0x404
> [ 10.753879][ T8] worker_thread+0x25c/0x43c
> [ 10.753897][ T8] kthread+0xf0/0x2c0
> [ 10.753912][ T8] ret_from_fork+0x10/0x20
> [ 10.753940][ T8] Code: f81f83a8 f9400814 a900ffff f90003ff (f9403e95)
> [ 10.753950][ T8] ---[ end trace 0000000000000000 ]---
> [ 10.760621][ T194] apexd: Found pre-installed APEX
> /system/apex/com.android.permission.capex
> [ 10.767672][ T67] Mem abort info:
> [ 10.779658][ T194] apexd: Found pre-installed APEX
> /system/apex/com.android.art.capex
> [ 10.783690][ T67] ESR = 0x0000000096000005
> [ 10.792424][ T194] apexd: Found pre-installed APEX
> /system/apex/com.android.scheduling.capex
> [ 10.794713][ T8] Kernel panic - not syncing: Oops: Fatal exception
> [ 10.794723][ T8] SMP: stopping secondary CPUs
> [ 10.798141][ T8] Kernel Offset: 0x70000 from 0xffffffc008000000
> [ 10.798150][ T8] PHYS_OFFSET: 0x0
> [ 10.798156][ T8] CPU features: 0x0000,00649020,00001086
> [ 10.798167][ T8] Memory Limit: none
Are you fixed by the patch ("regulator: core: Fix missing error return
from regulator_bulk_get()") [1]
[1] https://lore.kernel.org/r/20220809142738.1.I91625242f137c707bb345c51c80c5ecee02eeff3@changeid
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